... Gradient: 18°Main PerformanceCharacteristics:1,The rotary and push and pull adopts closed-circuit, which can low down the temperature ... 15-20% energy;10,Cooling system is equipped on the power head, which can protect the speed reducers and motors. ... pump, transfer case, reducer etc. with great power, high-quality configuration, fast push-pull speed, good performance compared with other manufacturers in ...